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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2012 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#ifndef SDL_fbelo_h
#define SDL_fbelo_h
#include "SDL_fbvideo.h"
/* ELO */
#define ELO_PACKET_SIZE 10
#define ELO_START_BYTE 'U'
/* eloConvertXY
Convert the raw coordinates from the ELO controller
to a screen position.
*/
void eloConvertXY(_THIS, int *dx, int *dy);
/* eloInitController(int fd)
Initialize the ELO serial touchscreen controller
*/
int eloInitController(int fd);
/* eloParsePacket
extract position and button state from a packet
*/
int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state);
/* eloReadPosition
read a packet and get the cursor position
*/
int eloReadPosition(_THIS, int fd, int* x, int* y, int* button_state, int* realx, int* realy);
#endif /* SDL_fbelo_h */
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